Product Details
CasNo： 546-46-3
MF： Zn3(C6H5O7)2
Appearance： powder
Delivery Time： 15 days
Packing： 25kg/bag
Purity： 90%
1. Basic Information
1.1 Chemical Name
Zinc Citrate
1.2 Molecular Formula
Zn3(C6H5O7)2⋅2H2O
1.3 Appearance
It presents as white granular crystals or crystalline powder.
1.4 Odor and Taste
It is odorless and tasteless.
1.5 Solubility
It is sparingly soluble in water (while zinc citrate trihydrate is soluble). It can dissolve in hydrochloric acid.
1.6 pH Value
The pH value of its solution is around 6.
2. Quality Indicators
2.1 Zinc Citrate Content
The content of zinc citrate should be in the range of 99.0% - 103.0%.
2.2 Zinc Content
The zinc content is not less than 31.3%.
2.3 Loss on Drying
The loss on drying is no more than 1.0%.
2.4 Iron (Fe) Content
The iron content should be less than or equal to 50mg/kg.
2.5 Lead (Pb) Content
The lead content is restricted to be no higher than 5.0mg/kg.
2.6 Total Arsenic (As) Content
The total arsenic content should not exceed 2.0mg/kg.
2.7 Hydrochloric Acid Insoluble Matter
The proportion of hydrochloric acid insoluble matter is less than or equal to 0.1%.
2.8 Solubility (at 25℃)
The solubility at 25℃ is not less than 3.60.
3. Functions and Applications
3.1 Nutritional Fortifier
- Zinc citrate is an organic zinc supplement. With a zinc content as high as 32% - 34%, it is a zinc complex existing in human breast milk. It is more easily absorbed than zinc in milk. It can be used to prevent and treat various conditions caused by zinc deficiency, such as growth retardation, anorexia, and anemia. It plays a crucial role in the growth and development of children and enhancing their immunity. Zinc is an essential trace element in the human body, participating in numerous biochemical processes, such as being a component of many enzymes, regulatively involved in hormone balance, and part of the synthesis of proteins or DNA building blocks.
- It is especially suitable for people with special zinc - demand situations. For example, it can contribute to a sustainable micronutrient supply as an additional component of a balanced diet for adults.
3.2 Food Additive
- It has an anti - caking function and is particularly suitable for manufacturing flake - shaped nutritional fortifiers and powdered mixed foods. When iron and zinc are severely deficient simultaneously, choosing zinc citrate can avoid the antagonistic effect with iron.
- Due to its chelating property, it can increase the clarity of fruit juice beverages. Also, it can impart a refreshing sour taste to fruit juices, so it is widely used in fruit juice beverages and other food products. It can also be widely applied in cereals and their products, as well as in table salt. In the food industry, it can also act as an acidity regulator, emulsifier, and stabilizer to improve the texture, taste, and stability of food, endowing food with better quality and appearance. For example, in beverages, the addition amount is generally 0.1% - 0.5% of the beverage mass, which can increase the nutritional value of the beverage and improve the taste; in baked goods, the addition amount is 1% - 5% of the flour mass, helping to improve the water - retention and stability of baked goods; in dairy products, the addition amount is usually 0.5% - 2% of the total product mass, which can enhance the nutritional characteristics and texture of dairy products. The specific dosage needs to be adjusted according to the type, formula, and process requirements of the food.
4. Packaging Specifications
The outer bag is a woven bag or kraft paper bag, and the inner lining is a polyethylene plastic bag. Each bag has a net weight of 25kg.
